Table of Contents

* Introduction The Sensori-Motor Level * Sensori-motor Intelligence * The Construction of Reality * The Cognitive Aspect of Sensori-motor Reactions * The Affective Aspect of Sensori-motor Reactions The Development of Perception * Perceptual Consistencies and Perceptual Causality * Field Effects * The Perceptual Activities * Perceptions, Concepts, and Operations The Semiotic or Symbolic Function * The Semiotic Function and Imitation * Symbolic Play * Drawing * Mental Images * Memory and the Structure of Image-Memories * Language The Concrete Operations of Thought and Interpersonal Relations * The Three Levels in the Transition from Action to Operation * The Genesis of the Concrete Operations * Representation of the Universe: Causality and Chance * Social and Affective Interactions * Moral Feelings and Judgments * Conclusion The Preadolescent and the Propositional Operations * Formal Thought and the Combinatorial System * The Two Reversibilities * The Formal Operatory Schemes * The Induction of Laws and the Dissociation of Factors * The Affective Transformations * Conclusion: Factors in Mental Development

About the Author

Jean Piaget (1896-1980) was one of the major figures of twentieth-century psychology and a pioneer in the study of child development.

B�rbel Inhelder (1913-1977) was a Swiss developmental psychologist well-known for her collaboration with Jean Piaget.